Roles of sulfur in floating-catalyst CVD growth of single-walled carbon nanotubes for transparent conductive film applications

作者: Saeed Ahmad , Er-Xiong Ding , Qiang Zhang , Hua Jiang , Jani Sainio

DOI: 10.1016/J.CEJ.2019.122010

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摘要: Abstract Sulfur is an effective promoter for growing single-walled carbon nanotubes (SWCNTs) and tuning their structural properties. In particular, sulfur has been utilized in the floating-catalyst chemical vapor deposition (FC-CVD) process to fabricate SWCNT-based transparent conductive films (TCFs). However, in-situ catalyst nucleation conventional FC-CVD, hinders correlate substantial role of SWCNTs synthesis enhancing performance TCFs. Herein, we have first time, systematically studied roles on yield, morphology, structure grown by using ex-situ Fe Co particles. We found that SWCNT yield largely dependent amount introduced into FC-CVD reactor composition. More importantly, addition optimized resulted a three-fold enhancement opto-electronic SWCNT-TCFs, increasing diameter bundle length along with improving quality SWCNTs. Surprisingly, electron diffraction analysis revealed from both display wide chirality distributions spanning zig-zag armchair edges, indicating little influence modulating

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